Effect of scanning strategy on microstructure and mechanical properties of a biocompatible Ti–35Nb–7Zr–5Ta alloy processed by laser-powder bed fusion

Abstract The influence of scanning strategy (SS) on microstructure and mechanical properties a Ti–35Nb–7Zr–5Ta alloy processed by laser-powder bed fusion (L-PBF) is investigated for the first time. Three SSs are considered: unidirectional-Y; bi-directional with 79° rotation (R79); chessboard (CHB). affect type distribution pores. highest relative densities more homogeneous pores obtained R79 CHB strategies, whereas aligned formed in unidirectional-Y. show direct crystallographic texture unidirectional-Y showing fiber texture. results weak forms randomly oriented heterogeneous grain structure. lowest Young modulus strategy, yield strength. It shown that may be used tuning beta-Ti L-PBF. Graphical abstract